credit card.‡
The Straight Power 11 550W 80 Plus Gold Modular Power Supply from be quiet! features a 135mm cooling fan and four high-performance 12V rails. This 8-cables modular power supply has a 20+4-pin ATX motherboard connector, two 6+2-pin PCIe connectors, a P4+4 connector, nine 5-pin SATA connectors, and three 4-pin P-ATA connectors. 550W is supported with a peak power of 600W. It has ATX 12V 2.4 and EPS 12V 2.92 compliance.
80 Plus Gold
The Straight Power 11 is 80 Plus Gold certified, ensuring up to a 93% energy efficiency rating.
Silent Wings 3 Fan
The built-in Silent Wings 3 fan features an airflow-optimized fan blade design, advanced fluid-dynamic bearings, and a 6-pole fan motor. Combined, these features provide the power supply with quiet and efficient cooling.
Funnel-Shaped Fan Opening
The fan inlet on this power supply features a funnel-shaped opening for increased airflow.
Wire-Free Design Inside the PSU
This power supply is wire-free on the DC side inside the PSU body and provides improved cooling airflow and less signal disturbance.
High-Class Technologies
The use of LLC and Synchronous Rectifier (SR) provides stable operation and enhanced voltage regulation. The PSU is equipped with DC-to-DC conversion for tight voltage regulation even under heavy cross-loading conditions. This ensures reliable operation with the next generation of processors and graphics cards.
Japanese Capacitors
The high-quality Japanese capacitors are rated to 221°F, ensuring stability, reliability, and a long operating life.
Multi-GPU Support
Powerful multi-GPU support with two PCI-Express connectors
ErP and Energy Star 6.1 ready
Advanced stability and voltage regulation with LLC, SR, and DC-to-DC
Product conception, design, and quality control in Germany
Full cable management for maximum build flexibility
Intel C6/C7 compliant